EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8700.17-100 Bromopropylate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18181-80-1 Price on request 2987.8-K-ME 3,3-Dimethylhexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 563-16-6 Price on request 685309 3-Methoxytyramine hydrochloride, 25mg Price on request